Add smiley feedback collector with comment after a completed run (RBT-WP-0004-T12)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Assistant: claude-code
Assistant-Model: sonnet
Assistant-Process: 295952@bnt-lap001
Assistant-Session: e93f64ad-516c-46eb-9666-aad8d300c477

tests/test_feedback.py

@@ -0,0 +1,41 @@
+import shutil
+from pathlib import Path
+
+import pytest
+
+from rtut import pack as P, run as R
+
+ROOT = Path(__file__).resolve().parent.parent
+
+
+@pytest.fixture
+def pk(tmp_path):
+    d = tmp_path / "runbooks" / "hello"; d.mkdir(parents=True)
+    shutil.copy(ROOT / "runbooks/example-hello/pack.yaml", d / "pack.yaml")
+    return P.load(d / "pack.yaml")
+
+
+def test_feedback_latest_wins_and_history_kept(pk):
+    r = R.create(pk, "bernd")
+    R.add_feedback(r, "poor", "confusing start")
+    R.add_feedback(r, "good", "fine after a second look")
+    r2 = R.load(pk, r.data["run_id"])
+    assert len(r2.data["feedback"]) == 2
+    assert R.latest_feedback(r2)["rating"] == "good"
+
+
+def test_feedback_rejects_bad_rating_and_secrets(pk):
+    r = R.create(pk, "bernd")
+    with pytest.raises(R.RunError):
+        R.add_feedback(r, "great")
+    with pytest.raises(R.RunError):
+        R.add_feedback(r, "good", "-----BEGIN RSA PRIVATE KEY-----")
+    assert "feedback" not in R.load(pk, r.data["run_id"]).data
+
+
+def test_all_feedback_lists_newest_first(pk):
+    a = R.create(pk, "ann"); b = R.create(pk, "bob"); R.create(pk, "cy")   # cy gives none
+    R.add_feedback(a, "good", "one")
+    R.add_feedback(b, "poor", "two")
+    got = R.all_feedback(pk)
+    assert [g["operator"] for g in got] == ["bob", "ann"]